Clinical trials: Reference Values
Normal Pregnancy
Determination of Reference Values for Diluted Russell's Viper Venom Time (dRVVT) Specific to Pregnant Women (GRAPL)
Pregnancy is associated with significant changes in several aspects of haemostasis, especially an imbalance between procoagulant and anticoagulant factors.
- Trial name
- GRAPL (NCT06133621)
- Testing
- dosage dRVVT
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
The Study Goal is to Assess the Introduction of Sustainable Family Planning/Reproductive Health Information and Services Through, Land O' Lakes-supported Dairy Cooperatives
Family Planning Through Dairy Cooperatives
This observational study will assess a model for providing family planning through quarterly events organized by dairy cooperatives supported by Land O'Lakes in Kenya.
- Trial name
- NCT01226433
- Where
- Kenya
- Volunteers
- 319 people, healthy volunteers welcome
- Sponsor
- FHI 360
Pain Threshold
Chronic Pain After Operation for Breast Cancer
The purpose of this study is to identify intraindividual as well as iatrogenic factors disposing for the development of chronic and acute pains after surgery for breast cancer in order to improve treatment and prevent the…
- Trial name
- NCT00739544
- Testing
- 1
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Healthy
VIDAS® NEPHROCLEAR Reference Interval Study
This is a multi-center sample analysis study in which urine samples previously collected from apparently healthy adult subjects, and subjects with stable chronic morbidities but without AKI in order to establish the reference…
- Trial name
- NCT06037109
- Testing
- Diagnostic Test: VIDAS® NEPHROCLEAR™ CCL14 Test
- Where
- 2 sites in United States
- Volunteers
- 585 people, healthy volunteers welcome
- Sponsor
- BioMérieux
Coagulation
Reference Range Analysis of the Entegrion Point of Care Coagulation Monitor (PCM™) in Healthy Volunteers
This study is intended to define the PCM normal laboratory range.
- Trial name
- NCT03133351
- Testing
- PCM
- Where
- 2 sites in United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Entegrion, Inc.
Healthy
Age-related Normative Values for the Octopus 900 Perimeter
The purpose of this study is to determine normal values of the visual field (VF), corrected for age- and reaction time (RT) using the Octopus 900 perimeter and semi-automated kinetic perimetry (SKP).
- Trial name
- Norm-Oct900 (NCT01518686)
- Testing
- Octopus 900 perimeter (Haag Streit AG, Koeniz, Switzerland)
- Where
- Germany
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Healthy Controls, Brain Function
NeuroCatch Reference Interval Database
The purpose of this study is to understand how the brain responds to sounds and words, and how this response varies between individuals.
- Trial name
- RR (NCT06677424)
- Testing
- NeuroCatch® Platform 2
- Where
- Canada
- Volunteers
- 224 people, healthy volunteers welcome
- Sponsor
- HealthTech Connex Inc.
Mechanical Ventilation Complication
Determination of Normal Values of Regional Pulmonary Strain Using a New Ultrasonographic Tool in Healthy Volunteers
Mechanical ventilation is frequently used in the operating room and the intensive care settings. Although essential in many cases, mechanical ventilation can be responsible for ventilator-induced lung injury (VILI).
- Trial name
- Strain (NCT04194346)
- Testing
- Lung ultrasound
- Where
- Canada
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Exercise Tolerance
Reference Values for the Six-minute Pegboard and Ring Test in Healthy Adults in Turkey
Supported or unsupported arm activities are widely used in all activities of daily living. 6 PBRT is a valid, reliable, useful, practical and easy-to-apply test that evaluates unassisted arm endurance in patients with COPD…
- Trial name
- NCT06010459
- Where
- Turkey (Türkiye)
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Ulaş Ar
Pediatric ALL, Healthy
QPlus Pediatric Reference Interval
Evaluation of coagulation results reported by the Qplus Quantra System to determine pediatric reference range intervals.
- Trial name
- NCT05645133
- Testing
- Diagnostic Test
- Where
- United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- HemoSonics LLC
Uninfected Healthy Adult Subjects
REF-VALUE Study: Establishment of Reference Values for Biomarkers in Healthy Adults
Circulating biomarkers play a central role in translational research and precision medicine, particularly for the diagnosis, prognostic, monitoring of inflammatory or infectious diseases and patient stratification.
- Trial name
- REF-VALUE Stud (NCT07666191)
- Testing
- Biological Sampling
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Mechanical Ventilation Complication, Pediatric ALL
Measuring Thickness of the Normal Diaphragm in Children Via Ultrasound.
Critically ill children treated with invasive mechanical ventilation (iMV) in a paediatric intensive care unit (PICU) may suffer from complications leading to prolonged duration of ventilation and PICU stay.
- Conditions
- Mechanical Ventilation Complication, Pediatric ALL, Intensive Care Unit Acquired Weakness
- Trial name
- NCT04589910
- Testing
- diaphragm thickness and thickening fraction
- Where
- Netherlands
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
Gastric Emptying, Bariatric Surgery
Reference Values for Gastric Emptying Scintigraphy After Bariatric Surgery
Oesophageal and gastric scintigraphy evaluates the function of the gastrointestinal system including variables such as oesophageal transit and gastric emptying (GE). Some variables are known to change after bariatric surgery.
- Trial name
- SCATTER (NCT06391255)
- Testing
- scintigraphy
- Where
- Netherlands
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital
Healthy Volunteers, Vascular Ehlers Danlos Syndrome
Non-Invasive Quantitative Imaging of Human Local Arterial Wall Elasticity Using Supersonic Shear Imaging
Arterial stiffness is associated with increased risk of cardiovascular events and death. Most of existing technique need dedicated device for arterial stiffness evaluation and indirect calculation of intra arterial pressure.
- Trial name
- ULTRAFASTECHO (NCT01096264)
- Testing
- SSI and SphygmoCor® evaluations
- Where
- France
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- French Cardiology Society
Oxygen Saturation
Accuracy Performance Verification of the INVOS™ PM7100 System in Adults
Prospective, observational, post-market, verification study to ensure compliance to the ISO 80601-2-85:2021 standard
- Trial name
- NCT06581835
- Testing
- Observational
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG
Portion Size
Using the Norm Range to Predict the Effect of Food Portion Size Reductions on Compensation Over 5 Days
Reducing food portion size is a potential strategy to reduce energy intake. However it is unclear at what point consumers compensate for reductions in portion size by increasing energy intake from other items.
- Trial name
- NCT03811210
- Testing
- portion size
- Where
- United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Vitamin B12 Deficiency
Holotranscobalamin Remains Unchanged During Pregnancy
Background and objective: Plasma cobalamins decrease during pregnancy but it is not fully elucidated how this is reflected in the total and cobalamin saturated transport proteins, transcobalamin (total TC, holoTC) and haptocorrin…
- Trial name
- NCT00467623
- Where
- Denmark
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Dehydration
Reference Values and Determinants of Hydration in Children 3-13 y
Purpose: 1. Develop reference values for hydration biomarkers for children of 3 to 13 years old 2. Explore the association between children's and parents' hydration markers and fluid intake habits in children aged 3-13 y 3.
- Trial name
- HYBISKUS (NCT02937038)
- Where
- United States
- Volunteers
- 1,454 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Growth Hormone Deficiency
Reference Values for Body Composition Parameters and IGF-I in the Adult NordiNet® International Outcome Study
The treatment of Growth Hormone deficiency (GHD) patients with GH, often induce fluid retention; this effect is dose dependent and temporary. The symptoms are swelling of soft tissue and joint stiffness.
- Trial name
- NCT01120977
- Where
- Denmark
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Keratoconjunctivitis Sicca
TearLab Core Validation Study to Establish Referent Values for Dry Eye Disease
This is a prospective, observational case series to determine the clinical utility of tear osmolarity and other commonly used objective tests to diagnose dry eye disease, as well as to establish referent values for objective…
- Trial name
- CVS (NCT00848198)
- Where
- 10 sites in United States, France and 3 more
- Volunteers
- 314 people, healthy volunteers welcome
- Sponsor
- TearLab Corporation